National Ocean Service (Continued) 
Publication Date: 
Location: 
Tidal Current Charts 
N/A 
Boston Harbor, Charleston Harbor, Delaware 
Bay and River, Long Island Sound and Block 
Island Sound, Narragansett Bay, Narragansett Bay 
to Nantucket Sound, New York Harbor, Puget 
Sound, San Francisco Bay, Upper Chesapeake Bay, 
and Tampa Bay 
Contents: Each publication consists of a set of 12 charts which depict, by 
means of arrows and figures, the direction and speed of the tidal current for 
each hour of the tidal cycle. 
The charts, which may be used for any year, 
present a comprehensive view of the tidal current movement in the respective 
waterways as a whole and also supply a means of readily determining the 
direction and speed at various localities throughout the water area covered 
for any time. 
Available From: 
Distribution Division (C44) 
National Oceanic Service 
6501 Lafayette Ave. 
Riverdale, MD 20737 
or other sales agents. 
IV-6 
